var config = {

                cladeColor: { value: 'black',
                              string: 'Tree Color' },

                buttonColor: { value: 'blue',
                               string: 'Button Color' },
    
                buttonRadius: { value: 5,
                                string: 'Button Radius' },

                labelColor: { value: 'black',
                              string: 'Label Color' },

                fontFamily: { value: 'helvetica',
                              string: 'Font Family' },

                fontSize: { value: 12,
                            string: 'Font Size' },

                labelBuffer: { value: 0,
                               string: 'Label Buffer Length' },

                nodeSeparation: { value: 30,
                                  string: 'Vertical Tip Separation' },

                generationSeparation: { value: 30,
                                        string: 'Horizontal Node Separation' },

                canvasBuffer: { value: 100,
                                string: 'Canvas Border Buffer Length' },

                pathWidth: { value: 2,
                             string: 'Tree Path Width' }
             };



